Solar installations in Effingham County, IL
315 recorded installations in Effingham County, Illinois — capacity, prices and the installers doing the work.
At a glance
Effingham County, Illinois has 315 recorded solar installations totalling 10.2 MW of capacity — the 46th-highest count among the 102 Illinois counties with records, and under 1% of the state total. That is about 2.1% of the county's 15,336 housing units, against 2.1% statewide.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Effingham County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 86 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 366% of that. A yardstick, not dated records.
Most active
Top installers in Effingham County
No resolved installers recorded in this county.
Growth
Installations by year
How does Effingham County compare with the rest of Illinois?
The median recorded system in Effingham County is 12 kW, about 34% above the state median of 8.97 kW. 14% of installations here are third-party owned (lease or power-purchase agreement), compared with 43% across Illinois. 4 systems (1%) of the county's records include battery storage, against 4% statewide. By share of housing units with a recorded system, Effingham County ranks 55th of 102 Illinois counties with at least 10 installations. Fewer than 30 systems here report an installed price, so no county price median is published.
How has solar adoption changed in Effingham County?
The earliest recorded installation in Effingham County dates to 2015. The busiest year on record is 2025, with 74 installations. The county's cumulative total rose from 65 at the end of 2020 to 315 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Frequently asked questions
How many homes have solar in Effingham County?
PanelCensus records 315 solar installations in Effingham County, Illinois (10.2 MW of capacity) — about 2.1% of the county's 15,336 housing units (U.S. Census ACS). Coverage depends on Illinois's public reporting, so the true total is likely higher.
How much of the solar in Effingham County is leased?
45 recorded installations (14%) in Effingham County are third-party owned — a lease or power-purchase agreement, compared with 43% across Illinois.
How big is a typical solar system in Effingham County?
The median recorded system in Effingham County is 12 kW, against 9 kW for Illinois as a whole.
More solar data near Effingham County
- Solar in Illinois· 115,105 installations
- Solar installers in Illinois
- Solar in Rock Island County· 355 installations
- Solar in Logan County· 341 installations
- Solar in Bureau County· 324 installations
- Solar in Grundy County· 313 installations
- Solar in Piatt County· 308 installations
- Solar in Randolph County· 305 installations
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 10, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in Effingham County, Illinois”, https://panelcensus.com/solar/illinois/effingham-county (data as of October 10, 2026).